Dental composition containing (i) at least one acid (meth)acrylamide monomer which has two or more polymerizable groups, (ii) at least one acid monomer which has only one polymerizable group and (iii) at least one polymerization initiator.

Polymerizable dental material, characterized in that it contains at least one (meth)acrylamide phosphate of the following general formula (I): ##STR00001## in which R.sup.1 is H or CH.sub.3; R.sup.2 is H or a C.sub.1-C.sub.4 alkyl radical or forms together with the nitrogen atom to